| 摘要 |
A method, a flow-distribution equipment, a user terminal and a system for data transmission are provided. The method comprises: when the first air interface is unavailable, the connecting context information corresponding to the service of the user terminal on the first air interface is updated, wherein the user terminal is connected to the Core Network via the first air interface; a first message which carries the updating information associated with the updated connecting context information is sent to the user terminal; according to the updating information, the user terminal updates the current connecting context information corresponding to the service on the first air interface and then obtains the updated connecting context information; data transmission is performed with the user terminal according to the updated connecting context information. The invention can avoid suspending of all the services corresponding to the data transmission via the first air interface when the first air interface is unavailable, guarantee the continuity of the service and be beneficial to improve the communication experience of users. |
